Title Study of elementary excitations of superfluid $^{4}He$ in silica aerogelsStudy of elementary excitations of superfluid $^{4}He$ in silica aerogels Author de Kinder, J. Coddens, G. Millet, R. Faculty/Department Faculty of Sciences. Physics Research group Department of Physics Publication type article Publication 1994Berlin, 1994 Subject Physics Source (journal) Zeitschrift für Physik : B : condensed matter. - Berlin Zeitschrift für Physik: B: condensed matter and quanta. - Berlin Volume/pages 95(1994):4, p. 511-514 ISSN 0722-3277 ISI A1994PG39700014 Carrier E Target language English (eng) Full text (Publishers DOI) Affiliation University of Antwerp Abstract We have studied the elementary excitations of superfluid He-4 in a silica aerogel at 1.8 K and various filling fractions. The results do not show any departure from bulk He-4 behaviour, suggesting that previously observed anomalies in heat capacity and superfluid fraction data could be the effect of a distribution of He I and He II liquids inside pores of different sizes. E-info http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:A1994PG39700014&DestLinkType=RelatedRecords&DestApp=ALL_WOS&UsrCustomerID=ef845e08c439e550330acc77c7d2d848 http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:A1994PG39700014&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=ef845e08c439e550330acc77c7d2d848 http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:A1994PG39700014&DestLinkType=CitingArticles&DestApp=ALL_WOS&UsrCustomerID=ef845e08c439e550330acc77c7d2d848 Handle